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What is a WP query object in WordPress?
A WP_Query isn’t an abstract entity. It’s an object, in the programming sense. When I started learning WordPress, WP_Query was a mystical abstraction: something you invoked, like a magic spell, so that you could run functions like the_title () and the_content () inside a custom Loop.
Can a WP _ query object be used without a loop?
Using WP_Query Objects Without the Loop This section explores WP_Query objects not as a mysterious things we can loop through, but as PHP objects with well-defined properties. Being able to work with WP_Query objects directly makes some things possible that you can’t do with standard loops.
How to alter the main query in WordPress?
This is the easiest and recommended way to alter the main query. This ‘pre_get_posts’ hook is called after the query variable object is created, but before the actual query is run. query_posts () is meant for altering the main loop.
Which is the best course to learn WP query?
WP_Query: Understand it, Love it! This free WPShout Course is a step-by-step introduction to WP_Query, one of the most powerful systems in WordPess. By the end of the course, you’ll know what a WP_Query is, and how and why to use your own custom WP_Query s for theme and plugin development.
How to add custom query variable to WP _ query?
So, to expose your new, custom query variable to WP_Query hook into the ‘ query_vars ‘ filter, add your query variable to the $vars array that is passed by the filter, and remember to return the array as the output of your filter function. See below:
What does get query var ( ) do in WordPress?
get_query_var () only retrieves public query variables that are recognized by WP_Query. This means that if you create your own custom URLs with their own query variables, get_query_var () will not retrieve them without some further work (see below). Custom Query Vars #
How to create WP _ query object without the loop?
So the first thing we’re going to do is create a new variable, $posts, with only the stuff in our WP_Query that we care about, as follows: This zeroes us in just on the fetched posts themselves. (By the way, this is precisely the same thing as calling WordPress’s get_posts () function with the same $args, and saving that as $posts .)